Thuộc tính CSS background-size được sử dụng để chỉ định kích thước của hình nền. Bạn có thể thử chạy mã sau để triển khai hình ảnh nền -
Ví dụ
<html>
<head>
<style>
#demo {
border: 5px dashed green;
padding: 10px;
background-image: url("https://www.tutorialspoint.com/css/images/css-mini-logo.jpg");
background-size: 200px 100px;
}
</style>
</head>
<body>
<div id="demo">
<h1>www.tutorialspoint.com</h1>
<p>The website www.tutorialspoint.com is owned and maintained by Tutorials Point India Private Limited,
henceforth termed as “we”, “our”, “us”, or the “company”. All the visitors, users, learners, contributors,
teachers, and instructors are named as "users"; and the website tutorialspoint.com is termed as "website" everywhere in this document.
We are committed to protecting your privacy online. This privacy policy explains what information we collect from you
or what information you share with us when you visit the website. We review our policy from time to time, so you are advised to check the latest version.</p>
</div>
</body>
</html>